Appointments to vacant positions shall be made in accordance with the Personnel Rules and Regulations. Appointments and promotions shall be based on merit and fitness. Examinations may be used and conducted to aid in the selection of qualified employees and may consist of achievement and aptitude tests, written tests, personal interviews, performance tests, physical agility tests, evaluation of daily work performance, work samples or any combinations of these or other tests. The probationary period shall be considered an extension of the examination process. Physical, medical and psychological tests designed to measure job related abilities may be given as part of any examination.
In any examination, the personnel officer may include, in addition to competitive tests, a qualifying test or tests and set minimum standards therefor.